Be careful what you wish for

Once there was a troll. He was not especially good-looking, nor was he especially ugly. He was just an ordinary troll. His name was Gus. So begins The Happy Troll, a charming picture book that depicts the troll's quest for happiness. Gus might be an ordinary troll, but he has an extraordinary voice. His singing charms his little friends, and soon trolls from far and wide come to hear Gus'...